.navigator {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
}
.navigator .left {
  flex-basis: 4em;
  flex-grow: 1;
  flex-shrink: 1;
  padding: 0 0 0 16px;
  display: flex;
  justify-content: flex-start;
}
.navigator .center {
  flex-basis: content;
  flex-grow: 4;
  flex-shrink: 4;
  display: flex;
  justify-content: center;
}
.navigator .right {
  flex-basis: 4em;
  flex-grow: 1;
  flex-shrink: 1;
  padding: 0 16px 0 0;
  display: flex;
  justify-content: flex-end;
}
.navigator .left_item {
  width: 100%;
  height: 36px;
  line-height: 36px;
  vertical-align: middle;
  margin: 0;
  padding-left: 22px;
  background-image: url("assets/back-icon.png");
  background-size: auto 22px;
  background-position: left center;
  background-repeat: no-repeat;
}
.navigator .center_item {
  line-height: 36px;
  vertical-align: middle;
  margin: 0;
}
.navigator .right_item {
  width: 100%;
  height: 36px;
  line-height: 36px;
  vertical-align: middle;
  margin: 0;
  background-image: url("assets/share-icon.png");
  background-size: auto 22px;
  background-position: right center;
  background-repeat: no-repeat;
}
